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The trial used Coriant's FlexiGrid technology through Allied Fiber’s Technology Showcase located within Allied Fiber’s open access, integrated, network-neutral colocation and dark fibre superstructure. Allied Fiber’s Technology Showcase sits within its Southeast Florida segment that covers more than 360 miles throughout the state of Florida and is available to all third-party network operators.

Coriant says its hiT 7300 Multi-Haul Transport Platform live-trial has been established to show network operators how the Coriant solution works together with the Allied Fiber infrastructure to enable connections between access networks, including fibre and wireless, through to long-haul carrier, content and enterprise networks through points of interconnection within the Allied Fiber system.

The terabit field trial was conducted on Allied Fiber’s Southeast Florida segment using commercially available hardware and pre-commercial software, over Allied Fiber's new Coriant fiber. The trial demonstrated 1Tbps super-channel transmission in a 368.7 gigahertz (GHz) grid over 1,700 km. In addition, it showed a greater than 35 per cent improvement in spectral efficiency which significantly increases the capacity of the system compared to conventional fixed grid technology, the companies say.

'We are pleased to team with Allied Fiber to demonstrate the value that next-generation optical networking technologies can bring to broadband users,' said Pat DiPietro, CEO, Coriant. 'We are committed to helping our partners like Allied Fiber meet the capacity requirements of residential and business end-user services with systems capable of seamless and efficient scalability to one terabit per channel and beyond.'

Semiconductor foundry CST Global is leading a UK government-funded project that could substantially reduce the cost of manufacturing high-speed laser diodes for next-generation fibre-to-the-premises (FTTP) networks.

The market for passive optical networks (PON) is expanding rapidly as consumers upgrade their broadband connections to higher speeds. Indeed, this summer, CST Global said it had shipped more than 25 million lasers into PON markets worldwide. To meet the insatiable demand for bandwidth, the next generation of PON lasers will need to be both higher speed and lower cost.